Reconstruction Techniques and Vascular Approach After Laparoscopic Left Hemicolectomy and Rectum Low Anterior Resection

Laparoscopic left hemicolectomy for left colon cancer or laparoscopic low anterior resection for rectal cancer. In the group 1A the surgical technique initially dissects the inferior mesenteric vein (IMV)

Laparoscopic left hemicolectomy for left colon cancer or laparoscopic low anterior resection for rectal cancer. In the group 1B the surgical technique initially dissects the inferior mesenteric artery.

The patients who will undergo a colorectal anastomosis will be included in the study 2 and will be randomized to group 2A and group 2B: in group 2A the patients will have a latero-terminal colorectal anastomosis and in group 2B a termino-terminal colorectal anastomosis.

The patients who will undergo a colorectal anastomosis will be included in the study 2 and will be randomized to group 2A and group 2B: in group 2A the patients will have a latero-terminal colorectal anastomosis and in group 2B a termino-terminal colorectal anastomosis.